Example usage for android.content.pm PackageManager getPackageInfo

Introduction

In this page you can find the example usage for android.content.pm PackageManager getPackageInfo.

Prototype

public abstract PackageInfo getPackageInfo(VersionedPackage versionedPackage, @PackageInfoFlags int flags)
        throws NameNotFoundException;

Source Link

Document

Retrieve overall information about an application package that is installed on the system.

Usage

From source file:Main.java

private static PackageInfo getPackageInfo(Context context, String pkgName) {
    PackageInfo packageInfo = null;//from  w w  w  .j  ava  2s  .c  om
    try {
        PackageManager pm = context.getPackageManager();
        packageInfo = pm.getPackageInfo(pkgName, 0);
    } catch (NameNotFoundException e) {
        e.printStackTrace();
        packageInfo = new PackageInfo();
        packageInfo.versionCode = 1;
        packageInfo.versionName = "1.0";
    }
    return packageInfo;
}

From source file:Main.java

public static String getAppVersionName(Context context) {
    String versionName = "";
    try {//from  www  .  ja v  a  2s  . c  o m
        // ---get the package info---
        PackageManager pm = context.getPackageManager();
        PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
        versionName = pi.versionName;
        if (versionName == null || versionName.length() <= 0) {
            return null;
        }
    } catch (Exception e) {
        Log.e("VersionInfo", "Exception", e);
    }
    return versionName;
}

From source file:Main.java

public static boolean isPackageInstalled(final String packageName, final PackageManager pm) {
    String mVersion;//from w w w .  ja v a 2 s  . c  o m
    try {
        mVersion = pm.getPackageInfo(packageName, 0).versionName;
        if (mVersion.equals(null)) {
            return false;
        }
    } catch (NameNotFoundException e) {
        return false;
    }
    return true;
}

From source file:Main.java

public static boolean isPackageInstalled(String packageName, PackageManager pm) {
    try {//from w w  w. j av a2 s  .  c  o m
        String mVersion = pm.getPackageInfo(packageName, 0).versionName;
        if (mVersion == null) {
            return false;
        }
    } catch (PackageManager.NameNotFoundException notFound) {
        Log.e(TAG, "Package could not be found!", notFound);
        return false;
    }
    return true;
}

From source file:Main.java

public static boolean isPackageInstalled(Context context, String packagename) {
    PackageManager pm = context.getPackageManager();
    try {/*from  www. j  a  va 2  s.  co m*/
        PackageInfo info = pm.getPackageInfo(packagename, PackageManager.GET_ACTIVITIES);
        return info != null;
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static boolean hasInstalledWx(Activity activity) {
    try {//from  w w  w  .  java2 s  .com
        PackageManager manager = activity.getPackageManager();
        PackageInfo info = manager.getPackageInfo(WX_PACKAGE_NAME, PackageManager.GET_ACTIVITIES);
        if (info != null) {
            return true;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return false;
}

From source file:Main.java

public static String getAppVersionName(Context context) {
    String versionName = "";
    try {//from  w w  w.j  a v  a2  s  . com
        // ---get the package info---
        PackageManager pm = context.getPackageManager();
        PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
        versionName = pi.versionName;

        if (versionName == null || versionName.length() <= 0) {
            return "";
        }
    } catch (Exception e) {
        Log.e("VersionInfo", "Exception", e);
    }
    return versionName;
}

From source file:Main.java

public static String getAppVersion(Context context) {
    PackageManager pm = context.getPackageManager();
    try {//from   w w  w. j a va  2s . c  om
        PackageInfo info = pm.getPackageInfo(context.getPackageName(), 0);
        return info.versionName;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static int getAppCode(Context context) {
    int versionCode = 0;
    try {//from   w  ww  .  ja  v  a 2  s  .c o m
        // ---get the package info---
        PackageManager pm = context.getPackageManager();
        PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
        versionCode = pi.versionCode;

        if (versionCode <= 0) {
            return 0;
        }
    } catch (Exception e) {
        Log.e("VersionInfo", "Exception", e);
    }
    return versionCode;
}

From source file:Main.java

public static boolean isSystem(String packageName, Context context) {
    try {//  w ww. ja v a 2s  .c o m
        PackageManager pm = context.getPackageManager();
        PackageInfo info = pm.getPackageInfo(packageName, 0);
        return ((info.applicationInfo.flags
                & (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0);
        /*
        PackageInfo pkg = pm.getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
        PackageInfo sys = pm.getPackageInfo("android", PackageManager.GET_SIGNATURES);
        return (pkg != null && pkg.signatures != null && pkg.signatures.length > 0 &&
            sys.signatures.length > 0 && sys.signatures[0].equals(pkg.signatures[0]));
         */
    } catch (PackageManager.NameNotFoundException ignore) {
        return false;
    }
}